diff --git a/forge-ai/src/main/java/forge/ai/ability/ChangeZoneAi.java b/forge-ai/src/main/java/forge/ai/ability/ChangeZoneAi.java
index 6e2fc09207e..802cdc60bb1 100644
--- a/forge-ai/src/main/java/forge/ai/ability/ChangeZoneAi.java
+++ b/forge-ai/src/main/java/forge/ai/ability/ChangeZoneAi.java
@@ -407,6 +407,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
                 if (num.contains("X") && sa.getSVar("X").equals("Count$xPaid")) {
                     // Set PayX here to maximum value.
                     int xPay = ComputerUtilCost.getMaxXValue(sa, ai);
+                    if (xPay == 0) return false;
                     xPay = Math.min(xPay, list.size());
                     sa.setXManaCostPaid(xPay);
                 }
diff --git a/forge-core/src/main/java/forge/card/CardRules.java b/forge-core/src/main/java/forge/card/CardRules.java
index d062a4a0f0e..174229fe0c0 100644
--- a/forge-core/src/main/java/forge/card/CardRules.java
+++ b/forge-core/src/main/java/forge/card/CardRules.java
@@ -414,7 +414,7 @@ public final class CardRules implements ICardCharacteristics {
             String key = colonPos > 0 ? line.substring(0, colonPos) : line;
             String value = colonPos > 0 ? line.substring(1+colonPos).trim() : null;
 
-            switch(key.charAt(0)) {
+            switch (key.charAt(0)) {
                 case 'A':
                     if ("A".equals(key)) {
                         this.faces[curFace].addAbility(value);
diff --git a/forge-core/src/main/java/forge/card/CardType.java b/forge-core/src/main/java/forge/card/CardType.java
index 2dc2f912a2d..93e945bb6f2 100644
--- a/forge-core/src/main/java/forge/card/CardType.java
+++ b/forge-core/src/main/java/forge/card/CardType.java
@@ -759,7 +759,6 @@ public final class CardType implements Comparable<CardType>, CardTypeView {
         };
     }
 
-
     ///////// Utility methods
     public static boolean isACardType(final String cardType) {
         return CoreType.isValidEnum(cardType);
diff --git a/forge-core/src/main/java/forge/card/PrintSheet.java b/forge-core/src/main/java/forge/card/PrintSheet.java
index 822c37bafe2..573c834e158 100644
--- a/forge-core/src/main/java/forge/card/PrintSheet.java
+++ b/forge-core/src/main/java/forge/card/PrintSheet.java
@@ -40,7 +40,6 @@ public class PrintSheet {
 
     private final ItemPool<PaperCard> cardsWithWeights;
 
-
     private final String name;
     public PrintSheet(String name0) {
         this(name0, null);
diff --git a/forge-core/src/main/java/forge/deck/generation/DeckGenPool.java b/forge-core/src/main/java/forge/deck/generation/DeckGenPool.java
index 870c6472107..3bdd0619e7f 100644
--- a/forge-core/src/main/java/forge/deck/generation/DeckGenPool.java
+++ b/forge-core/src/main/java/forge/deck/generation/DeckGenPool.java
@@ -43,9 +43,8 @@ public class DeckGenPool implements IDeckGenPool {
         Iterable<PaperCard> editionCards=Iterables.filter(cards.values(), filter);
         if (editionCards.iterator().hasNext()){
             return editionCards.iterator().next();
-        }else {
-            return getCard(name);
         }
+        return getCard(name);
     }
 
     @Override
diff --git a/forge-core/src/main/java/forge/item/ItemPredicate.java b/forge-core/src/main/java/forge/item/ItemPredicate.java
index 02f0cc65c88..5c48f57f7f6 100644
--- a/forge-core/src/main/java/forge/item/ItemPredicate.java
+++ b/forge-core/src/main/java/forge/item/ItemPredicate.java
@@ -3,9 +3,6 @@ package forge.item;
 import com.google.common.base.Predicate;
 import com.google.common.base.Predicates;
 
-
-
-
 /**
  * Filtering conditions for miscellaneous InventoryItems.
  */
diff --git a/forge-core/src/main/java/forge/item/PaperCard.java b/forge-core/src/main/java/forge/item/PaperCard.java
index 216fddb3852..704b0be1506 100644
--- a/forge-core/src/main/java/forge/item/PaperCard.java
+++ b/forge-core/src/main/java/forge/item/PaperCard.java
@@ -349,4 +349,3 @@ public final class PaperCard implements Comparable<IPaperCard>, InventoryItemFro
                 || (this.getName().equals("Mountain"));
     }
 }
-
diff --git a/forge-core/src/main/java/forge/item/PaperToken.java b/forge-core/src/main/java/forge/item/PaperToken.java
index 776d17ceed8..caa35ab3bc5 100644
--- a/forge-core/src/main/java/forge/item/PaperToken.java
+++ b/forge-core/src/main/java/forge/item/PaperToken.java
@@ -95,7 +95,7 @@ public class PaperToken implements InventoryItemFromSet, IPaperCard {
         build.add(subtypes);
 
         // Are these keywords sorted?
-        for(String keyword : rules.getMainPart().getKeywords()) {
+        for (String keyword : rules.getMainPart().getKeywords()) {
             build.add(keyword);
         }
 
diff --git a/forge-game/src/main/java/forge/game/CardTraitBase.java b/forge-game/src/main/java/forge/game/CardTraitBase.java
index a37c387d966..aabf916208c 100644
--- a/forge-game/src/main/java/forge/game/CardTraitBase.java
+++ b/forge-game/src/main/java/forge/game/CardTraitBase.java
@@ -366,7 +366,6 @@ public abstract class CardTraitBase extends GameObject implements IHasCardView,
             if (!Expressions.compare(left, presentCompare, right)) {
                 return false;
             }
-
         }
 
         if (params.containsKey("IsPresent2")) {
diff --git a/forge-game/src/main/java/forge/game/GameAction.java b/forge-game/src/main/java/forge/game/GameAction.java
index 5e00330c620..ea1d5cda280 100644
--- a/forge-game/src/main/java/forge/game/GameAction.java
+++ b/forge-game/src/main/java/forge/game/GameAction.java
@@ -1905,7 +1905,6 @@ public class GameAction {
             game.getTriggerHandler().runTrigger(TriggerType.NewGame, AbilityKey.newMap(), true);
             //</THIS CODE WILL WORK WITH PHASE = NULL>
 
-
             game.getPhaseHandler().startFirstTurn(first, startGameHook);
             //after game ends, ensure Auto-Pass canceled for all players so it doesn't apply to next game
             for (Player p : game.getRegisteredPlayers()) {
@@ -1980,7 +1979,6 @@ public class GameAction {
     private void runPreOpeningHandActions(final Player first) {
         Player takesAction = first;
         do {
-            //
             List<Card> ploys = CardLists.filter(takesAction.getCardsIn(ZoneType.Command), new Predicate<Card>() {
                 @Override
                 public boolean apply(Card input) {
@@ -2054,8 +2052,7 @@ public class GameAction {
     public void invoke(final Runnable proc) {
         if (ThreadUtil.isGameThread()) {
             proc.run();
-        }
-        else {
+        } else {
             ThreadUtil.invokeInGameThread(proc);
         }
     }
diff --git a/forge-game/src/main/java/forge/game/ability/AbilityUtils.java b/forge-game/src/main/java/forge/game/ability/AbilityUtils.java
index 25e59f9c404..7cbfd343112 100644
--- a/forge-game/src/main/java/forge/game/ability/AbilityUtils.java
+++ b/forge-game/src/main/java/forge/game/ability/AbilityUtils.java
@@ -1282,7 +1282,8 @@ public class AbilityUtils {
         }
         else if (defined.equals("Opponent")) {
             players.addAll(player.getOpponents());
-        } else if (defined.startsWith("NextPlayerToYour")) {
+        }
+        else if (defined.startsWith("NextPlayerToYour")) {
             Direction dir = defined.substring(16).equals("Left") ? Direction.Left : Direction.Right;
             players.add(game.getNextPlayerAfter(player, dir));
         }
diff --git a/forge-game/src/main/java/forge/game/ability/effects/ChooseCardNameEffect.java b/forge-game/src/main/java/forge/game/ability/effects/ChooseCardNameEffect.java
index 59ba85ecc2d..743c746ae9f 100644
--- a/forge-game/src/main/java/forge/game/ability/effects/ChooseCardNameEffect.java
+++ b/forge-game/src/main/java/forge/game/ability/effects/ChooseCardNameEffect.java
@@ -1,21 +1,15 @@
 package forge.game.ability.effects;
 
 import java.util.ArrayList;
-import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 
-import org.apache.commons.lang3.StringUtils;
-
 import com.google.common.base.Predicate;
 import com.google.common.base.Predicates;
-import com.google.common.collect.Iterables;
-import com.google.common.collect.Lists;
 
 import forge.StaticData;
 import forge.card.CardFacePredicates;
 import forge.card.CardRules;
-import forge.card.CardRulesPredicates;
 import forge.card.CardSplitType;
 import forge.card.ICardFace;
 import forge.game.ability.AbilityUtils;
@@ -26,9 +20,7 @@ import forge.game.card.CardLists;
 import forge.game.player.Player;
 import forge.game.spellability.SpellAbility;
 import forge.game.spellability.TargetRestrictions;
-import forge.item.PaperCard;
 import forge.util.Aggregates;
-import forge.util.ComparableOp;
 import forge.util.Localizer;
 
 public class ChooseCardNameEffect extends SpellAbilityEffect {
diff --git a/forge-game/src/main/java/forge/game/trigger/Trigger.java b/forge-game/src/main/java/forge/game/trigger/Trigger.java
index d3ad74f957a..82b6c3390ee 100644
--- a/forge-game/src/main/java/forge/game/trigger/Trigger.java
+++ b/forge-game/src/main/java/forge/game/trigger/Trigger.java
@@ -30,6 +30,7 @@ import com.google.common.collect.Sets;
 
 import forge.game.Game;
 import forge.game.GameEntity;
+import forge.game.GameStage;
 import forge.game.IHasSVars;
 import forge.game.TriggerReplacementBase;
 import forge.game.ability.AbilityFactory;
@@ -347,8 +348,9 @@ public abstract class Trigger extends TriggerReplacementBase {
         }
 
         // host controller will be null when adding card in a simulation game
-        if (this.getHostCard().getController() == null || !meetsCommonRequirements(this.mapParams))
+        if (this.getHostCard().getController() == null || game.getAge() != GameStage.Play || !meetsCommonRequirements(this.mapParams)) {
             return false;
+        }
 
         return true;
     }